220042102249 has 2 divisors, whose sum is σ = 220042102250. Its totient is φ = 220042102248.

The previous prime is 220042102243. The next prime is 220042102253. The reversal of 220042102249 is 942201240022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187742823849 + 32299278400 = 433293^2 + 179720^2 .

It is a cyclic number.

It is not a de Polignac number, because 220042102249 - 2¹³ = 220042094057 is a prime.

It is not a weakly prime, because it can be changed into another prime (220042102243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110021051124 + 110021051125.

It is an arithmetic number, because the mean of its divisors is an integer number (110021051125).

Almost surely, 2^220042102249 is an apocalyptic number.

It is an amenable number.

220042102249 is a deficient number, since it is larger than the sum of its proper divisors (1).

220042102249 is an equidigital number, since it uses as much as digits as its factorization.

220042102249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 220042102249 in words is "two hundred twenty billion, forty-two million, one hundred two thousand, two hundred forty-nine".